#57A4E7#57A4E7

#57A4E7 is a light, vivid cyan. Relative luminance 0.343; OKLCH L 69.8% C 0.125 H 247.0°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#57A4E7
RGB	rgb(87, 164, 231)
HSL	hsl(208, 75%, 62%)
HSV	hsv(208, 62%, 91%)
CMYK	cmyk(62.3%, 29%, 0%, 9.4%)
CIE-LAB	lab(65.23, -3.68, -40.82)
CIE-LCH	lch(65.23, 40.99, 264.85°)
OKLab	oklab(69.8% -0.0488 -0.1151)
OKLCH	oklch(69.8% 0.125 247)
XYZ	xyz(31.6244, 34.3436, 80.5482)
Luminance	0.3435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#57A4E7 #E79A57

analogous

#57E7E2 #57A4E7 #575CE7

triadic

#57A4E7 #E757A4 #A4E757

tetradic

#57A4E7 #E257E7 #E79A57 #5CE757

square

#57A4E7 #E257E7 #E79A57 #5CE757

split-complementary

#57A4E7 #E7575C #E7E257

monochromatic

#1867AB #2187DF #57A4E7 #8DC1EF #C2DEF6

Accessibility & contrast

On white

2.67

#57A4E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#57A4E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #57A4E7

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##57A4E7	#FFFFFF	#000000	##000000
##57A4E7	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A6EA

Deuteranopia (green-blind)

#7398E6

Tritanopia (blue-blind)

#00B4BC

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #57a4e7;
/* rgb */ color: rgb(87, 164, 231);
/* oklch */ color: oklch(69.8% 0.125 247.0);

Tailwind

colors: {
  custom: {
    50: '#93beef',
    500: '#57a4e7',
    950: '#000000',
  },
}

SCSS

$custom: #57a4e7;
$custom-light: #93beef;
$custom-dark: #000000;

JSON

{
  "hex": "#57a4e7",
  "rgb": {
    "r": 87,
    "g": 164,
    "b": 231
  },
  "hsl": {
    "h": 207.917,
    "s": 75,
    "l": 62.353
  },
  "oklch": {
    "l": 0.69803,
    "c": 0.12505,
    "h": 247
  },
  "luminance": 0.34347
}

Semantic roles & 50–950 ramp

primary

#57A4E7

secondary

#E7CBB3

accent

#6C0ED7

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1216

muted

#7E8184

Preview Lab

Preview with #57A4E7

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →